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Set up an automatic reply
You can turn on, turn off, or modify automatic replies.
In a web browser, sign in to Outlook Web App using the URL provided by the person who manages email for your organization. Enter your user name and password, and then click Sign in.
Choose Settings > Set automatic replies.
Choose Settings > Options > Organize email > Automatic replies.
Use the following information to help you set up your automatic reply.
Setting / Description
Don’t send automatic replies
Select this option to turn off automatic replies.
Send automatic replies
Select this option to turn on automatic replies.
Send replies only during this time period
Select this check box, and then set a start time and end time to control when automatic replies are sent. If you don't set a time period, your automatic reply remains on until you turn it off. You’re reminded your automatic replies are turned on each time you sign in to your mailbox.
Send a reply once to each sender inside my organization with the following message
Use the text box to create a message that is sent only to senders who are inside your organization. This option may not be available.
Send automatic reply messages to senders outside my organization
Select this check box if you want automatic replies to be sent to senders outside your organization.
If you select the check box to send automatic replies to persons outside your organization, two other options are made available. Choose one of the following:
Send replies only to senders in my Contacts list
Select this to limit automatic replies to senders who are in your Contacts folder. Senders who aren't in your Contacts folder won't receive the automatic reply.
Send replies to all external senders
Select this to send your reply to all senders outside your organization.
Send a reply once to each sender outside my organization with the following message
If you select Send replies to all external senders, in the text box type the reply message you want sent.